(19)
(11) EP 3 556 005 A1

(12)

(43) Date of publication:
23.10.2019 Bulletin 2019/43

(21) Application number: 17832102.2

(22) Date of filing: 21.12.2017
(51) International Patent Classification (IPC): 
H02N 2/00(2006.01)
G02B 7/10(2006.01)
 H01L 41/187(2006.01)
(86) International application number:
PCT/JP2017/045990
(87) International publication number:
WO 2018/123819 (05.07.2018 Gazette 2018/27)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD TN

(30) Priority: 27.12.2016 JP 2016254371
08.12.2017 JP 2017236227

(71) Applicant: Canon Kabushiki Kaisha
Tokyo 146-8501 (JP)

(72) Inventors:
  • FURUTA, Tatsuo
    Tokyo 146-8501 (JP)
  • WATANABE, Takayuki
    Tokyo 146-8501 (JP)
  • UEDA, Miki
    Tokyo 146-8501 (JP)
  • KOYAMA, Shinya
    Tokyo 146-8501 (JP)
  • KUBOTA, Makoto
    Tokyo 146-8501 (JP)
  • MATSUDA, Takanori
    Tokyo 146-8501 (JP)
  • UEBAYASHI, Akira
    Tokyo 146-8501 (JP)
  • HAYASHI, Jumpei
    Tokyo 146-8501 (JP)
  • NISHITANI, Hitoshi
    Tokyo 146-8501 (JP)

(74) Representative: WESER & Kollegen Patentanwälte PartmbB 
Radeckestraße 43
81245 München
81245 München (DE)

   


(54) PIEZOELECTRIC VIBRATOR FOR VIBRATION WAVE MOTOR